:root{--brand-blue:#4DA3FF;--brand-blue-deep:#2A6FDB;--brand-blue-soft:#DCEAFE;--brand-yellow:#F5C842;--brand-yellow-deep:#E0A82E;--brand-yellow-soft:#FFF5D1;--bg:#FAFBFD;--bg-card:#FFFFFF;--ink:#0F1A2E;--ink-2:#3D4A63;--ink-3:#4D5A72;--line:#E6EBF2;--line-2:#F0F3F8;--online:#22C55E}.manual-root{font-family:var(--font-noto),"Noto Sans JP","Plus Jakarta Sans",system-ui,sans-serif;background:linear-gradient(135deg,#e6f1ff,#fafbfd 45%,#fff9e6);color:var(--ink);-webkit-font-smoothing:antialiased;line-height:1.6;min-height:100vh;position:relative}.bg-blob{position:fixed;border-radius:50%;pointer-events:none;z-index:0;filter:blur(60px)}.bg-blob-1{width:500px;height:500px;top:-120px;left:-120px;background:radial-gradient(circle,rgba(77,163,255,.18),transparent 70%)}.bg-blob-2{width:400px;height:400px;top:40vh;right:-100px;background:radial-gradient(circle,rgba(245,200,66,.15),transparent 70%)}.bg-blob-3{width:350px;height:350px;bottom:10vh;left:10%;background:radial-gradient(circle,rgba(77,163,255,.1),transparent 70%)}.manual-nav-wrapper{position:sticky;top:0;z-index:50}.manual-header{background:rgba(255,255,255,.8);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,.4);box-shadow:0 2px 20px rgba(0,0,0,.06)}.manual-header-inner{display:flex;align-items:center;gap:10px;padding:14px 20px;max-width:860px;margin:0 auto}.manual-main{padding:36px 20px 100px;max-width:860px;margin:0 auto;position:relative;z-index:1}.stack{display:flex;flex-direction:column;gap:28px}.card{background:var(--bg-card);border:1px solid var(--line);border-radius:16px;overflow:hidden}.glass{background:rgba(255,255,255,.65)!important;backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);border:1px solid rgba(255,255,255,.35)!important;box-shadow:0 8px 32px 0 rgba(0,0,0,.08)}.card-head{justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--line-2);background:var(--bg)}.card-head,.card-head-left{display:flex;align-items:center}.card-head-left{gap:8px;font-weight:700;color:var(--ink);font-size:15px}.card-body{padding:24px;display:flex;flex-direction:column;gap:8px}.row-item{background:rgba(255,255,255,.5);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.3);border-radius:10px;padding:14px 16px;display:flex;align-items:flex-start;gap:12px}.item-title{font-size:14px;font-weight:700;color:var(--ink)}.item-desc{font-size:13px;color:var(--ink-3);margin-top:3px;line-height:1.6}.cmd{font-family:var(--font-mono),"JetBrains Mono",monospace;font-size:13px;font-weight:600;background:var(--brand-blue-soft);color:var(--brand-blue-deep);padding:3px 8px;border-radius:6px;white-space:nowrap;flex-shrink:0}.cmd-green{background:#dcfce7;color:#16a34a}.section-intro{border-radius:14px;padding:18px 20px;font-size:14px}.section-intro.blue{background:var(--brand-blue-soft);border:1px solid #bfdbfe;color:var(--brand-blue-deep)}.section-intro h2{font-size:16px;margin-bottom:6px;color:var(--ink)}.step-list{flex-direction:column}.step,.step-list{display:flex;gap:14px}.step{align-items:flex-start}.step-num{width:26px;height:26px;border-radius:50%;background:var(--brand-yellow);color:var(--ink);font-size:12px;font-weight:900;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}.step-title{font-size:14px;font-weight:700;color:var(--ink)}.step-desc{margin-top:3px;line-height:1.6}.info-box,.step-desc{font-size:13px;color:var(--ink-3)}.info-box{background:rgba(240,243,248,.6);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.3);border-radius:10px;padding:14px 16px}.info-box strong{color:var(--ink-2)}.info-box ul{padding-left:16px;margin-top:6px}.info-box li{margin-top:4px}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}.reveal{opacity:0;transform:translateY(20px)}.reveal.in{animation:fadeInUp .65s cubic-bezier(.22,1,.36,1) both}.staff-door-btn{margin-left:auto;display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:8px;border:1.5px solid var(--line);background:var(--bg);color:var(--ink-3);transition:border-color .15s,color .15s,background .15s;text-decoration:none;flex-shrink:0}.staff-door-btn:hover{border-color:var(--brand-blue);color:var(--brand-blue-deep);background:var(--brand-blue-soft)}.manual-footer{border-top:1px solid var(--line);padding:24px 20px;text-align:center;font-size:13px;color:var(--ink-3)}.uc-link{color:inherit;text-decoration:none;opacity:.7;transition:opacity .15s}.uc-link:hover{opacity:1}